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Tsavorite Garnet and Dumortierite Optical Properties


Dumortierite and Tsavorite Garnet Optical Properties


Optical Properties

Luster
Vitreous, Adamantine   
Vitreous   

Pleochroism
Not Available   
Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue   

Dispersion
Not Available   
None   

Transparency
Transparent   
Translucent, Translucent to opaque   

Refractive Index
1.738-1.745   
1.669-1.723   

Optic Character
Not Available   
Not Available   

Crystal System
Isometric   
Orthorhombic   

Birefringence
Not Available   
0.011-0.037   

Clarity
Transparent   
Translucent   

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Tsavorite Garnet and Dumortierite Optic Character

Tsavorite Garnet and Dumortierite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Tsavorite Garnet and Dumortierite Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Tsavorite Garnet and Dumortierite optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character.

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Tsavorite Garnet and Dumortierite Transparency

Similar to their colors, Tsavorite Garnet and Dumortierite transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Tsavorite Garnet is Transparent while Tsavorite Garnet is Transparent in appearance.

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